Sharp MD-SR505E Service Manual Download Page 27

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MD-SR50H/50W/60E/60W

Figure 27 SCHEMATIC DIAGRAM (2/2)

TP842

TP841

TP805

TP729

TP500

8 7 6 5 4 3 2 1

TP803

TP804

2 2

12 11 10

TP702

TP704

TP706

TP708

TP701

TP705

TP707

TP703

TP714

TP711

TP713

TP712

TP462

TP459

TP458

TP457

TP456

TP455

TP454

TP461

TP451
TP452
TP453

TP463

TP460

TP486

TP488

TP481

TP489

TP482

TP487

TP483

12 11 10

TP771

TP772

TP721

TP722

TP723

TP724

TP725

TP726

TP802

TP801

3 2 1

8 7 6 5

TP809

TP412

GND

I/O4
I/O3
CAS

A8
A7
A6
A5
A4

VCC

RAS

I/O2

I/O1

VCOM

AOUTL

PWAD

PWDA

VSS

DEM1

DEM0

SDTO

SCLK

LRCK

AINL

AINR

N.C.

ATT

LIN

LLPFO

L-

R-

RLPFO

RIN

LHPVEE

LHPVCC

DAT

CLK

LAT

RHPVEE

RHPVCC

BEEP

LPF

ATT

AMPuGAIN SEL.

LOGIC

BIAS

N.C.

GND

VCC

GND

Vout

VEE

VCC

ROUT

DGND

RIHP

LOUT

LIHP

AGND

RI LI

STAND

ERRAMP

VREF

CTRL

CMP

RSFF

Q R

BUF

OUT

EIP

EIN

OSC

ROSC

VCC

GND

VCC

ROSC

OSC

EIN

EIP

OUT

CTRL

STAND

BUF

RSFF

CMP

VREF

ERRAMP

GND

VCC

OUT

VDD

VSS

VDD

OUT

V+

V-

N.C.

VCC2R0V

+2R5

PCNT1
PCNT2

RCPCNT

PLVON
CHGCNT

PLVDRY
CHGON

DCVDD

+2R7

HREC

HPLAY

HKEY1

HKEY2

VGBATT

VCCBATT

VCC4R5

DCNT1

OPTCNT

DIN

EMPH1

ADDATA

DADATA

LRCK

DFCK
BCLK

DAPON

ADPON

VCCDRAM

VCCMICOM

-2R5

VCCADDA

EMPH0

DSPDAT
DSPSCK
DSPSTB
DSPRST

PBAULT

PBMUTE

BEEP

RPLAY

RKEY

AURESET

MCPGIN

INPGIN

INPGCK

AUDATA

AUSCLK

RCAULT

VAR

GCNT

EY2

EY1

DON

OPICGA

PLVON

DRY

PCNT1
PCNT2

RCPCNT

BATTERY
TERMINAL,-

R-ch

L-ch

R-ch

L-ch

2.0V

+2.7V

L-ch
R-ch

KEY

PLAY

LCD ASS`Y

LCD

LCD DRIVER

GND

P-MODE

ENTER

DISPLY

VOL DOWN

VOL UP

BASS

EDIT

REC

SKIP DOWN

SKIP UP

STOP
PLAY

KEY FLEXIBLE

PWB ASS'Y

N.C.

LPF

N.C.

AOUTR

VDD

MCLK

SDTI

BATTERY
TE

7
8

TP728

TP727

-B

-1.15V

-1.6V

5.4V

5.1V

2.1V

1.6V

4.5V

0.6V

3.4V

2.9V

4.5V

3.9V

4.5V

3.9V

4.5V

3.9V

4.5V

1.83V

C202

47/6.3

R202

IC202

IX2567AF

4M D-RAM

R454
56K

R452
8.2K

R453
18K

R451

5.6K

R458
56K

R457
18K

R456

8.2K

R455

5.6K

CN451

CN482

C482

C481

C701

10/6.3

C704

47/6.3

C702

10/6.3

R702

C703

0.01

IC701

IR3R54N

AUDIO AMP.

R703

100K

R701

100

C734

0.1

C733

0.1

R720

8.2K

R712

5.6K

R711

5.6K

R719

8.2K

L710

R715

100K

R716

100K

R718

C713 1

C714

Q711
RN1444 A

R717

C715

0.1

C712

100P

(CH)

C711 100P (CH)

R713

10K

C726

3.3/10

R725

100

R726

39K

Q721
2SD1979S

C725

3.3/10

L702

L703

R714

10K

L704

J701

OPTICAL/

LINE IN

J702
MIC IN

C722

3.3/10

R724

6.8K

R723 6.8K

C724

0.001

C723

0.001

C721
3.3/10

C731

0.22

R727 8.2K

R728

R729

2.7K

R730

2.7K

J703
REMOTECONTROL
/HEADPHONES

C491

0.1

D494

MA8075M

L491

R492

D492

MA8075M

C492

D496 MA8075M

D495 MA8075M

R768

4.7

R767

4.7

C766

0.22

C765

0.22

R766

R765

C761

2.2

IC703

IR3R59N

AUDIO AMP.

C753

C762

2.2

R758

100

R761

220K

C754

R762

91K

R754

150K

R757

2.2K
C760

0.1

C758

L500

C506

0.001

C551 0.1

C505 0.001

C500

10/6.3

C511

C501 0.0022

R501

470

C509

2.2

C510
2.2

C502

0.0022

R502

470

C503

3.3/10

IC501 AK4550VT

C774

IC771

62GR2522

2.5V REGULATOR

C773

0.22

C206

IC203

62FP2002

2V REGULATOR

L871

0.47

C872

10/10

L771

100

C771

47/6.3

C869

47/6.3

C868

L862

100

D801

F05J2L

R801

1.1A

R803

1.2K

L801

R808

R810

C803

0.1

IC803

S80819LN

RESET IC

L800

J801

DC IN

Q891

2SA1873GR

R802

560

D802 MA8051M

R809

R811

D803 RB520S30

R806

56K

C801

C818

0.1

IC809

RN4904

DIGITAL TRANSISTOR

R818

3.3M

R819 22K

IC892

HN1C01FU

TRANSISTOR

R293

2.2K

R294
100K

R296

100K

R295
100K

R281

22K

Q250

2SA17457

IC251

FTD2017

N-ch MOS FET

C802

0.01

IC801

62RP2002

2.0V REGULATOR

Q803

UN5213

R292

100K

R286 2.2K

R282

C252

0.1

R252

150K

R257

27K

R272

100

R254

22K

D251

1SS400

R253

39K

IC256
RN4911
DIGITAL
TRANSISTOR

IC255

NJM022V

R266

56K

R262
68K

R263

68K

R271

68K

R270

68K

R291

100

C291

IC257
S80808LN

C254

0.1

R250

100

C255

0.1

C253
0.1

R255

4.7K

R256
56K

Q251 2SD1819AS

R285 100K

C251 0.1

R251
100

R261

R283 100K

R287 560K

R284 390K

Q257

2SA1832 GR

IC253

RN4904

IC258

HN1C01FU

IC260

RN4904

R269

30K

R267

10K

C848

R841

100K

C844

10/6.3

IC842

XC62HS02

2.35V

REGULATOR

D822

F10J2E

C832 0.1

D831

HRB0103B

C835 0.1

C834 0.1

D832

HRB0103B

C833 0.1

C838

0.1

R833

D823

F10J2E

C828

C825

L821

IC821

CPH3403

N-CH MOS

FET

D821

D1FH3

C821 3.3

C822 22/6.3

C823

220/4

W403

D DETECTION

22K

R422

100K

SW402 HOLD

L851

R443

12K

R857

330K

C856

330P(CH)

R855

390K

R856

10M

R854

10K

C857

560P

C851

3.3

C852 22/6.3

D851

D1FH3

IC851

CPH3403

C862

C863

D862
F10J2E

D861 F10J2E

C853

220/4

IC852

IR3M14N
DC/DC CONVERTER

C830 1

R823

270K

R827

220K

R825

300K

R826
10M

C826

100P(CH)

R824

10K

C827

220P

(CH)

IC822

IR3M14N

DC/DC CONVERTER

C860

R832 180K

C839 0.33

R853

270K

R831 180K

C850

0.1

R850

100K

F841 0.4A, DC 60V

C841

L841

4.7

IC841

6372C281

2.8V UP

CONVERTER

D842

HRB0103B

C847

C846 0.1

D841

F10J2E

C845

0.1

R844 47

C842

33/6.3

C843 0.22

C876

Q461

2SD1819AS

R462

27K

R460

68K

C849

220/4

C840

220/4

Q801

2SJ520TL

R807

22K

IC802

HN1C01FU

TRANSISTOR

C804

0.1

R813

10K

R812

10K

R814

10K

R815 10K

R816 1.5K

C837

C836

IC873

62GR4522

R871 10K

IC871

TC7S86FU
EXCLUSIVE OR GATE

IC259

HN1C01FU

POWER

TRANSISTOR

D281

1SS400

R288

47K

C259

0.1

R277

39K

R279

100

IC501: AD/DA CONVERTER

IC253: DIGIITAL TRANSISTOR

IC258: TRANSISTOR

IC255: OP AMP

IC260: DIGIITAL TRANSISTOR

4.5V REGULATER

Q721:RIPPLE FILTER

N-CH MOS FET

RESET

Summary of Contents for MD-SR505E

Page 1: ...IT 31 TROUBLESHOOTING 32 FUNCTION TABLE OF IC 35 PARTS GUIDE EXPLODED VIEW PACKING METHOD MD SR50H for U K SR60E Only SERVICE MANUAL SHARP CORPORATION No S2006MDSR50H This document has been published to be used for after sales service only The contents are subject to change without notice MD SR50H BL MD SR50H S MD SR50H YR MD SR50W BL MD SR50W S MD SR60E GL MD SR60W S In the interests of user safe...

Page 2: ...airing If the AC adaptor or batteries are connected when the top houising disc cover of the unit is removed and the PLAY key is pressed the laser will light up during focus access 2 3 seconds Fig 2 1 During the operation the laser will leak from the opening between the magnetic head and the mechanical chassis Fig 2 2 In order to protect your eyes you must not look at the laser during repair Before...

Page 3: ... 240V 50 60 Hz DC 1 5V Commercially available AA size LR6 alkaline battery x 1 DC 4 5V Separately available car adaptor AD CA20X for cars with a 12 24V DC negative earth electrical system Power source DC 1 2V Rechargeable Nickel Metal Hydride MD SR60W battery AD N70BT x 1 DC 5V AC adaptor AC 220V 50 Hz DC 1 5V Commercially available AA size LR6 alkaline battery x 1 DC 4 5V Separately available car...

Page 4: ...to Mark Time Mark Button 24 Mode Button 25 Bass Delete Button 26 Fast Reverse Recording Level Down Name Select Button 27 Fast Forward Recording Level Up Name Select Button 28 Enter Fast Play Synchro Button 29 Earphones Line Output Socket 30 Optical Line Input Socket 31 Microphone Input Socket 32 Open Lever 33 5V DC Input Socket 34 Battery Cover 35 Hold Switch Remote control unit 1 Headphones Socke...

Page 5: ...er than normal The battery life will recover with normal use i e charg ing and discharging To avoid shortening the service life of the battery only recharge the battery after it has been completely discharged RECORDING USING THE OPTICAL DIGITAL CABLE This is the method used for recording digi tal signals from CDs or MDs exactly as they are stored on the original Compared to re cordings made from a...

Page 6: ...y after turning on a heater When the unit is placed in a room where there is excessive steam or moisture When the unit is moved from a cool place to a warm place When the unit has condensation inside the disc signals cannot be read and the unit may not function properly If this happens remove the disc The condensation should evaporate in approximately 1 hour The unit will then function properly Ma...

Page 7: ... tracks may not be combined in editing The total of the recorded time and time remaining on a disc may not add up to the maximum possible recording time When recorded tracks are played back using the cue and review op erations some sounds may be skipped A track number can be created in the middle of a track ERROR MESSAGES Error messages Remedy Meaning BLANK MD BATT EMPTY The battery is run down Ch...

Page 8: ... Since the screws are small incorrect fixing may result in malfunction 3 When repairing pay utmost attention to static electricity of IC REMOVAL PROCEDURE STEP FIGURE Figu re 8 1 Figure 8 2 Figure 8 3 Caution Carefully handle the main PWB and flexible PWB After removing the flexible PWB 1 for the optical pickup from the connector do not touch directly the front end of flexible PWB with your hand s...

Page 9: ...f head up down motor lead wire 2 Remove the screw B2 x 1 pc and remove the flexible PWB 3 Remove the screw B3 x 1 pc and remove the head up down motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the sled motor See Fig 9 3 1 Remove the stop washer C1 x 1 pc and remove the drive gear C2 x 1 pc 2 Remove the screws C3 x 2 pcs and remove the...

Page 10: ...ine 10 lines or 384 lines manual jump is performed C1 error rate display pit section ADIP error rate display groove section The temperature correction is performed only when servo start is performed but the posture correction is not performed during continuous playback 4 TEST REC Mode Continuous record from the specified address is performed Change of record laser output servo gain is also changed...

Page 11: ...ng changes continuously one cycle being 100 ms When the BASS button is pressed in the continuous playback mode the number of jump lines changes as follows 1 10 384 1 After the number of jump lines is indicated for one second the address indication is restored T R _ When the SKIP UP button is pressed in the continuous playback mode the specified number of lines is jumped in the FWD direction When t...

Page 12: ...ed in the memory When the DISP button is pressed while the error data indication menu appears the error data is initialized C L E A R _ Error Code Explanation of error history code 12h RF side FG TG and TCRS adjustment termination failure 13h Adjustment servo retraction excessive retrial 16h C IN detection time over 17h A B E F and TCRSO offset measurement value out of tolerable range 21h Focus re...

Page 13: ... or set PLAY ON in standby state 2 Start the EEPROM mode Temp menu Key operation in order of BASS SKIP DOWN x 2 times PLAY PLAY in the test mode STOP state TM is displayed Temperature code Temperature reference 3 Once press SKIP UP and determine the displayed microcomputer TEMP input AD value TPin is displayed TEMP input AD value 4 At the ambient temperature determine the temperature corrected val...

Page 14: ... H C T 1 _ 1 1 H C T 2 _ 4 0 H C T 3 _ 3 0 H R C 0 _ C 0 H R C 1 _ F E H S Y C _ A 6 H P W L _ 0 1 H D R 1 _ 0 0 H D R 2 _ 0 0 H I N 1 _ C 9 H I N 2 _ 6 4 H I N 3 _ 9 9 H I N H _ 6 4 H D R H _ 0 C H P L E _ 1 B H R C E _ 4 2 H E L T _ 7 6 H S L T _ 4 5 H S P M _ 0 0 H M S L _ 0 0 H U S 0 _ 0 0 H U S 1 _ 0 0 H U S 2 _ 0 0 H Item display Set values F G _ _ B 0 H F F 1 _ 7 0 H F F 2 _ E 8 H F Z H _ E...

Page 15: ...enu M A N U 1 ATT manual adjustment menu M A N U 2 Error history display menu E D A T A Test mode normal playback menu N O R M A L Preautomatic Adjustment menu Preadjustment error adjustment value output During preadjustment adjustment Adjustment error Normal end Preadjustment normal end adjustment value output During ATT automatic adjustment PLAY PLAY A U T O 1 Preautomatic Adjustment A D J O K A...

Page 16: ...he start address changes as follows when the DISP button is pressed 0 0 3 2 H initial value 0 3 C 0 H 0 7 0 0 H 0 8 A 0 H A d 0 0 3 2 A d 0 3 C 0 DISP DISP A d 0 7 0 0 DISP DISP A d 0 8 A 0 In the start address setting state the start address change digit changes when the BASS button is pressed 1st digit initial value 2nd digit 3rd digit A d 0 0 3 2 A d 0 0 3 2 MODE MODE A d 0 0 3 2 MODE In the co...

Page 17: ...S Q When the STOP button is pressed in specific menu the TEST MODE STOP state is set TEST mode normal playback menu Continuous playback Mode and address display PLAY N O R M A L Test Mode Normal Playback When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the NORMAL mode is canceled the power is turned off Error history display menu Error history 0 display Error c...

Page 18: ...ecific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN button is pressed The upper limit varies depending on the items When the MODE button is pressed in each state the set digit is changed Focus setting menu PLAY F o...

Page 19: ...each state the set digit is changed Tracking setting menu PLAY T r a c k Tracking Setting T G T F 1 SKIP UP SKIP DOWN T F 2 SKIP UP SKIP DOWN T F S SKIP UP SKIP DOWN T B o SKIP UP SKIP DOWN T B t SKIP UP SKIP DOWN T K o SKIP UP SKIP DOWN T K t SKIP UP SKIP DOWN T D o SKIP UP SKIP DOWN T D t SKIP UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the ...

Page 20: ... n SKIP UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN button is pressed When the MODE button is pressed in each state the set digit is changed Adjustment sett...

Page 21: ...In the specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting changes in the range of 0h to Fh when the VOL UP DOWN button is pressed When the MODE button is pressed in each state the set digit is changed Control setting menu PLAY C T R L Control Setting C T 0 C T 1 SKIP UP ...

Page 22: ...e STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting changes in the range of 0h to Fh wh...

Page 23: ...symbol is microfarad As to electro lytic capacitor the expression capacitance withstand volt age is used CH TH RH UJ Temperature compensation ML Mylar type The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas sis with no signal given Parts marked with are important for maintaining the safety of the set Be sure to replace these parts wi...

Page 24: ...0V 2 5V 2 34V 0V 2 5V 0V 1 26V 0V 2 35V 0V 0V 2 5V 0V 2 34V 2 34V 0V 0V 0V 0V 0V 0V 2 74V 2 74V 2 5V 0V 2V 4 44V 0 45V 1 03V 3 28V 0 45V 0 99V 4 38V 4 4V 4 46V 0V 0V 5 36V 0V 0V 0V 2 35V 5 36V 1 17V 2 8V 0 37V 0V 1 17V 1 17V 1 16V 1 26V 2 8V 2 06V 2 06V 0V PIN NO VOLTAGE 1 IC842 2 4 5 3 2 81V 2 56V 0V 2 36V PIN NO VOLTAGE IC852 1 2 4 5 6 7 8 3 1 17V 2 8V 0 67V 0V 1 2V 1 17V 1 16V 1 26V 1V 2 36V 0V...

Page 25: ...Y IC901 SPINDLE MOTOR DRIVER LB1971V IC703 AUDIO AMP IR3R59N IC701 AUDIO AMP IR3R54N IC601 4 CH PWM DRIVER LV8017W VM IC402 EEPROM 58X2402T VS IC202 IX2567AF 4M D RAM 2 5V OPTICAL IN UNIT J701 OPTICAL IN J701 LINE IN J702 MIC IN READY FOR PLUG IN POWER 2 0V REGULATOR IC203 62FP2002 1 2 21 23 6 5 7 7 30 35 VCC VG 43 16 18 20 22 39 41 17 21 27 40 44 13 14 23 40 26 29 32 37 39 46 1 9 11 19 7 9 66 74 ...

Page 26: ...2 VSS VSS VCC uSTBY NMI EXTAL WDTOVF MD2 MD1 MD0 RCPCNT BUZOUT VSS VSS VSS EEPD PCNT1 PBOPON RCLAT PBLAT RADAT RACLK RFLAT RMDAT MCMON CKSTP INPGCK PDCNT INPGI MCPGI TEST1 TEST0 KHOLD REC PLAY DCEXT DSPSCK DSPSTB DSPDAT HDON DISCPR DCNT1 RKEY EJSW AVCC FOK SENSE RESET CIN SPIN XTAL VCC EMPH0 LDON INNSW VSS SYRD SYRS SYWR SYD7 SYD5 SYD4 SYD6 SYD3 SYD1 SYD2 SYD0 XRST EEPK AVSS EPCS Vref LDVAR TEMP H...

Page 27: ...H R713 10K C726 3 3 10 R725 100 R726 39K Q721 2SD1979S C725 3 3 10 L702 L703 R714 10K L704 J701 OPTICAL LINE IN J702 MIC IN C722 3 3 10 R724 6 8K R723 6 8K C724 0 001 C723 0 001 C721 3 3 10 C731 0 22 R727 8 2K R728 1K R729 2 7K R730 2 7K J703 REMOTECONTROL HEADPHONES C491 0 1 D494 MA8075M L491 33 R492 1K D492 MA8075M C492 1 D496 MA8075M D495 MA8075M R768 4 7 R767 4 7 C766 0 22 C765 0 22 R766 15 R7...

Page 28: ...D494 R767 R762 R768 C491 TP724 R766 D495 D496 L801 R808 R810 C765 C766 C758 D492 L491 C481 C760 R757 R758 R754 R761 TP453 R457 TP412 TP451 TP452 R456 TP481 TP454 R458 R455 TP482 TP456 C482 CN482 CN451 TP483 TP460 TP486 TP458 TP461 TP487 TP489 TP463 TP459 TP488 R451 R452R453 R454 TP462 TP206 TP656 R463 TP457 R806 TP455 TP419 R465 D803 TP210 R461 Q891 TP209 R466 R811 TP417 R802 D431 TP416 TP208 D802...

Page 29: ... C846 C847 C841 F841 D842 SW403 LID DETECTION R850 C845 R844 C818 R818 C850 4 1 2 3 C202 L841 C833 IC841 D831 C835 D832 R202 D841 C843 C842 C821 L821 C834 C838 R833 C832 C201 L200 IC821 CK222 IC203 CK224 D821 C822 C212 R222 C852 C211 XL201 C851 CK207 D851 L851 L862 C869 IC851 C868 C863 CK203 D861 C862 CK204 CK202 CK201 C840 Q461 D862 C209 R462 R460 IC621 C606 R621 C823 R622 D622 R816 R815 R814 Q80...

Page 30: ...netic Head Flexible PWB 23 Magnetic Head 21 Mechanism Flexible PWB 8 M902 Sled Motor PH901 Photo Interrupter M901 Spindle Motor SW902 Disc Protect To Main PWB CN601 To MAIN PWB P28 6 F CN482 LCD Ass y 214 Key Switch Flexible PWB Ass y 213 CN451 CN101 To MAIN PWB P28 1 C P28 1 E To MAIN PWB P28 6 E M903 Lift Motor ...

Page 31: ...CH1 0 000V CH2 0 00V Main 1K Zoom 1K CH3 0 00V CH4 0 00V Trigger Mode AUTO Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFMMON Stopped CH1 2V DC 10 1 500ms div 500ms div 1 MORM 200MS s 9 1994 12 15 08 57 26 Filter Offset Record Length Smoothiing OFF BW FULL CH1 0 00V CH2 0 00V Main 10K Zoom 10K CH3 0 000V CH4 0 0V Trigger Mode NORMAL Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFMMON ...

Page 32: ...ently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol Do not touch the lens with the bare hand Is the power supply turned on when the remote control button or main unit button is pressed No Perform the check stated in item Power is not turned on when the PLAY button is pressed Perform the check stated in item Abnormal display No Yes Does the display operate norma...

Page 33: ...ck time display advance Yes Position check in INNER mode Check IC201 and IC202 connection line Is the lead in photointerrupter set to OFF when the optical pickup moves to the innermost periphery in NORMAL mode Is TP654 in H level Check the lead in photointerrupter mechanical flex PWB soldering and CN601 connection No Ia an attempt to repeat repeatedly the TOC part performed on the low reflection d...

Page 34: ...Check for soldering failure of IC201 No Check periphery of IC401 and IC101 Check whether there is any damage in IC101 periphery of laser diode Yes Check for defects of IC351 in head drive flexible PWB head flexible PWB No Yes Is audio monitor output given in normal mode LINE IN record Check waveforms of pins 8 10 11 12 of IC501 pins 70 to 73 of IC201 Is waveform obtained on IC501 pins 2 and 3 No Y...

Page 35: ... 32 PC0 CKSTP Output Microcomputer stand by operation monitor 33 PC1 _XRST Output System LSI hand reset output 34 PC2 SENSE Input System LSI servo sense input 35 PC3 _FOK Input Focus OK signal input 36 PC4 RCLAT Output Record audio IC data latch output 37 PC5 TEST1 Input Test mode setting input 1 38 PC6 TEST0 Input Test mode setting input 0 39 PC7 EMPH0 Output Audio emphasis control output 0 40 Vc...

Page 36: ...t Battery voltage detection input 80 AN1 PLCHK Input Power supply circuit abnormal detection input 81 AN2 HKEY2 Input Unit key operation detection input 2 82 AN3 HKEY1 Input Unit key operation detection input 1 83 AN4 RKEY Input Remote control key operation detection 84 AN5 TEMP Input Ambient temperature detection inputinput 85 AN6 CHGCNT Output Charging current control output 86 DA1 LDVAR Output ...

Page 37: ...8 EXPORT6 DAPON Output D A converter operation control output H Operation ON 59 EXPORT7 ADPON Output A D converter operation control output H Operation ON System LSI expansion output port 6th generation LR37811 Pin No Function Port Name Terminal Name Input Output Remarks H H Normal mode H L No adjustment mode L H Test mode L L Settings prohibited TEST1 Details 1 List of TEST port settings H H fs 3...

Page 38: ... 38 MD SR50H 50W 60E 60W M E M O ...

Page 39: ...pacitors VCC Ceramic type VCK Ceramic type VCT Semiconductor type VC MF Cylindrical type without lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If ther...

Page 40: ...31 832 VHDHRB0103B 1 J AC Schottky HRB0103B D841 VHDF10J2E 1 J AC Schottky F10J2E D842 VHDHRB0103B 1 J AC Schottky HRB0103B D851 VHDD1FH3 1 J AE Schottky D1FH3 D861 862 VHDF10J2E 1 J AC Schottky F10J2E PH901 8 2 VHPGP1S93K 1 J AF Photo Interrupter COILS L100 VPBNN100K0000 J AC 10 µH L171 RCILC0356AFZZ J AC 10 µH L491 VRS TV2AB330J J AA 33 ohms 1 10W L500 RCILC0344AFZZ J AC 47 µH Choke L601 604 RCI...

Page 41: ...1JB154D J AA 150 kohms 1 16W R253 VRS CY1JB393D J AA 39 kohms 1 16W R254 VRS CY1JB223J J AA 22 kohms 1 16W R255 VRS CY1JB472J J AA 4 7 kohms 1 16W R256 VRS CY1JB563J J AA 56 kohms 1 16W R257 VRS CY1JB273D J AA 27 kohms 1 16W R261 VRS CY1JB102J J AA 1 kohm 1 16W R262 263 VRS CY1JB683D J AA 68 kohms 1 16W R266 VRS CY1JB563D J AA 56 kohms 1 16W R267 VRS CY1JB103D J AA 10 kohm 1 16W R269 VRS CY1JB303D...

Page 42: ...ing Eject Lever 19 MLEVF2637AFM1 J AH Lift Working Lever Ass y 20 MLEVF2640AFZZ J Lever Lift 21 RCILH0002AWZZ J Magnetic Head 22 PCOVP1339AFZZ J AD Cover Mechanism 23 QPWBH0338AFZZ J AH Magnetic Head Flexible PWB 24 MLEVF2639AFFW J AD Lever Lift Joint 25 MLEVF2638AFFW J AD Lever Block 26 MSPRD1362AFFJ J AD Spring Lift Lever 501 LX BZ0800AFZZ J AA Screw ø1 4 2 5mm 502 LX BZ0804AFFF J AA Screw ø1 4 ...

Page 43: ...AWZZ J Operation Manual SR50W for Australia New Zealand 10 TINSZ0519AWZZ J Operation Manual SR60W 10 TINSZ0520AWZZ J Operation Manual SR50H for Europe 10 TINSZ0521AWZZ J Operation Manual SR50W Except for Australia New Zealand 11 SPAKZ0490AWZZ J AC Operation Manual Spacer SR60W SR60E SR50H for U K Only 12 UBAGC0006AWSA J Carrying Case 13 SPAKC0944AWZZ J Packing Case SR60W 13 SPAKC0945AWZZ J Packing...

Page 44: ... E F G H 1 2 3 4 5 6 Figure 5 MD MECHANISM EXPLODED VIEW 5 M903 M902 M901 503x2 505x3 508x2 502x2 3 501 21 23 511 8 3 SW902 8 1 8 8 2 PH901 504 503 504 12 19 11 1 2 16 17 15 509 510 24 506 13 503 14 5 22 26 9 18 20 25 6 7 512 507 ...

Page 45: ...BINET EXPLODED VIEW 6 204 242 MD MECHANISM 210 205 203 214 234 233 213 215 202 237 601x2 601 x2 216 217 603 602 211 212 218 236 601x2 601 601 601x2 209 PWB A 208 220 220 221 219 229 223 222 207 224 225x2 240 226 201 241 241 235 605x4 228 227 231 232 206 230 601 ...

Page 46: ...AKZ0599AWZZ Pad AC Adapter 7 RADPA8046AWZZ AC Adapter 8 QCNWG0382AFZZ Connecting Cord RCA Type 9 SPAKA0237AWZZ Packing Add 10 TINSE0289AWZZ Operation Manual SR60E 10 TINSE0290AWZZ Operation Manual SR50H for U K 11 SPAKZ0490AWZZ Operation Manual Spacer 12 UBAGC0006AWSA Carrying Case 13 SPAKC0945AWZZ Packing Case SR60E 13 SPAKC0970AWZZ Packing Case SR50H S for U K 13 SPAKC0971AWZZ Packing Case SR50H...

Page 47: ...MD SR50H 50W 60E 60W M E M O 8 ...

Page 48: ...rieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0002 4543NS HA M SG SK SCA SCNZ EX SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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